{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-48865", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:38:08.920Z", "datePublished": "2024-07-16T12:25:27.843Z", "dateUpdated": "2026-05-11T18:48:39.204Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:48:39.204Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix kernel panic when enabling bearer\n\nWhen enabling a bearer on a node, a kernel panic is observed:\n\n[ 4.498085] RIP: 0010:tipc_mon_prep+0x4e/0x130 [tipc]\n...\n[ 4.520030] Call Trace:\n[ 4.520689] \n[ 4.521236] tipc_link_build_proto_msg+0x375/0x750 [tipc]\n[ 4.522654] tipc_link_build_state_msg+0x48/0xc0 [tipc]\n[ 4.524034] __tipc_node_link_up+0xd7/0x290 [tipc]\n[ 4.525292] tipc_rcv+0x5da/0x730 [tipc]\n[ 4.526346] ? __netif_receive_skb_core+0xb7/0xfc0\n[ 4.527601] tipc_l2_rcv_msg+0x5e/0x90 [tipc]\n[ 4.528737] __netif_receive_skb_list_core+0x20b/0x260\n[ 4.530068] netif_receive_skb_list_internal+0x1bf/0x2e0\n[ 4.531450] ? dev_gro_receive+0x4c2/0x680\n[ 4.532512] napi_complete_done+0x6f/0x180\n[ 4.533570] virtnet_poll+0x29c/0x42e [virtio_net]\n...\n\nThe node in question is receiving activate messages in another\nthread after changing bearer status to allow message sending/\nreceiving in current thread:\n\n thread 1 | thread 2\n -------- | --------\n |\ntipc_enable_bearer() |\n test_and_set_bit_lock() |\n tipc_bearer_xmit_skb() |\n | tipc_l2_rcv_msg()\n | tipc_rcv()\n | __tipc_node_link_up()\n | tipc_link_build_state_msg()\n | tipc_link_build_proto_msg()\n | tipc_mon_prep()\n | {\n | ...\n | // null-pointer dereference\n | u16 gen = mon->dom_gen;\n | ...\n | }\n // Not being executed yet |\n tipc_mon_create() |\n { |\n ... |\n // allocate |\n mon = kzalloc(); |\n ... |\n } |\n\nMonitoring pointer in thread 2 is dereferenced before monitoring data\nis allocated in thread 1. This causes kernel panic.\n\nThis commit fixes it by allocating the monitoring data before enabling\nthe bearer to receive messages." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/tipc/bearer.c" ], "versions": [ { "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9", "lessThan": "2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5", "status": "affected", "versionType": "git" }, { "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9", "lessThan": "f96dc3adb9a97b8f3dfdb88796483491a3006b71", "status": "affected", "versionType": "git" }, { "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9", "lessThan": "f4f59fdbc748805b08c13dae14c01f0518c77c94", "status": "affected", "versionType": "git" }, { "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9", "lessThan": "be4977b847f5d5cedb64d50eaaf2218c3a55a3a3", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/tipc/bearer.c" ], "versions": [ { "version": "4.8", "status": "affected" }, { "version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.106", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.29", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.15", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.10.106" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.29" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.16.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5" }, { "url": "https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71" }, { "url": "https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94" }, { "url": "https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3" } ], "title": "tipc: fix kernel panic when enabling bearer", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:25:01.624Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/f96dc3adb9a97b8f3dfdb88796483491a3006b71", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/f4f59fdbc748805b08c13dae14c01f0518c77c94", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/be4977b847f5d5cedb64d50eaaf2218c3a55a3a3", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2022-48865", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:25:18.991470Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:06.982Z" } } ] } }